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Simm’s warmest midlayer for cold days, the M’s Thermal 1/4 Zip Top adds warmth on its own, or layer it under your favorite jacket to dial in reliable comfort. A grid-fleece interior traps heat next to-skin without adding bulk or limiting range of motion, and a smooth exterior makes for seamless layering.

Smooth faced grid-fleece layers perfectly with our baselayers to provide maximum warmth.
High collar with a quarter length zipper allows for venting and easy on and off.

FABRIC TECH: Body – 255gsm 93% polyester, 7% elastane finished with antimicrobial + moisture management.

Machine wash and dry. See garment label for details.
Comes with Color Matching Beartooth Flyfishing Logo Embroidered on Right Sleeve.

Additional information




3XL, L, M, XL, XXL

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